Home / 66,158.07-99,222.13-30,599.87

Finding the Fourth Proportional to 66,158.07, 99,222.13 and 30,599.87

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Solution

The fourth proportional to 66,158.07, 99,222.13 and 30,599.87 is: 45,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,158.07 : 99,222.13 = 30,599.87 : x
  2. Step 2: Convert to fraction form
    66,158.07/99,222.13 = 30,599.87/x
  3. Step 3: Cross multiply
    66,158.07x = 99,222.13 × 30,599.87
  4. Step 4: Simplify right side
    66,158.07x = 3,036,184,279.12
  5. Step 5: Solve for x
    x = 3,036,184,279.12/66,158.07
  6. Step 6: Final answer
    x = 45,892.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.